First plastic rear axle transmission crossbeam debuts at Mercedes

16.07.2015

ContiTech Vibration Control and BASF have teamed together to develop the world's first plastic transmission crossbeam for use in the rear axle subframe of the S-Class from Mercedes-Benz. The component is molded Ultramid A3WG10 CR polyamide from BASF, which is reinforced and optimized to withstand high mechanical loads.

Compared to the previous beam made from die-cast aluminum, this highly durable component offers a weight saving of 25%, better acoustics as well as excellent mechanical properties, even at high temperatures, and conforms to the latest crash requirements. The design expertise of BASF's simulation tool Ultrasim also made a major contribution to these properties.
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